<template>
    <swiper :options="options">
      <SwiperSlide v-for="(i,index) in skuImageList" :key="i.id">
        <img :src="i.imgUrl" @click="addimg(index)"/>
      </SwiperSlide>
      <div class="swiper-button-prev" slot="button-prev"></div>
      <div class="swiper-button-next" slot="button-next"></div>
    </swiper>
</template>

<script>
// 辅助函数
import { mapGetters } from "vuex";
export default {
  name: "ImageList",
  data() {
    return {
      options: {
        //左右按钮导航的配置
        navigation: {
          nextEl: ".swiper-button-next",
          prevEl: ".swiper-button-prev",
        },
        //轮播图容器一次显示几个slide:图片
        slidesPerView: 3,
      },
    };
  },
  // 传递当前点击索引到兄弟组件
  methods:{
    addimg(index){
      this.$bus.$emit('addimg',index)
    }
  },
  //计算属性
  computed: {
    ...mapGetters(["skuImageList"]),
  },
};
</script>

<style lang="less" scoped>
.swiper-container {
  height: 56px;
  width: 412px;
  box-sizing: border-box;
  padding: 0 12px;

  .swiper-slide {
    width: 56px;
    height: 56px;

    img {
      width: 100%;
      height: 100%;
      border: 1px solid #ccc;
      padding: 2px;
      width: 50px;
      height: 50px;
      display: block;

      &.active {
        border: 2px solid #f60;
        padding: 1px;
      }

      &:hover {
        border: 2px solid #f60;
        padding: 1px;
      }
    }
  }

  .swiper-button-next {
    left: auto;
    right: 0;
  }

  .swiper-button-prev {
    left: 0;
    right: auto;
  }

  .swiper-button-next,
  .swiper-button-prev {
    box-sizing: border-box;
    width: 12px;
    height: 56px;
    background: rgb(235, 235, 235);
    border: 1px solid rgb(204, 204, 204);
    top: 0;
    margin-top: 0;
    &::after {
      font-size: 12px;
    }
  }
}
</style>